%0 Journal Article %A T. M. Boguslavskaya %A M. A. Polovtseva %A T. A. Timoshenko %T Invariant Riemannian and pseudo-Riemannian metrics in manifolds of images of cosymmetries in projective spaces %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1990 %P 21-31 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1990_12_a2/ %G ru %F IVM_1990_12_a2